The Solution for Key StorageThe SL-590 Key Guard Pro lock box is the perfect solution for home owners, realtors, property management, vacation rentals, emergency access for the elderly or anyone needing to store their keys. It has a very large metal body that is exceedingly strong and secure. Store you keys, access cards, key fobs, or other items in this heavy duty lock box. A sleek protective cover is also included that keeps the key pad safe from the elements. Secure Your Keys and ValuablesStop worrying about hiding your keys! Store them in this secure Key Guard lock box. With familiar key pad entry (like texting) the SL-590 key box allows for number or easy-to-remember letter combinations. Using letters is not only easy to remember but can also be used for company names, marketing messages and personalized code. Having both combination options available is a great feature that most lock boxes dont offer! Easy to Use v Change the Combination When DesiredThe large punch buttons on the front are easy to view and use. Dont waste any time getting in and out of your lock box. This tough and secure key storage box comes with a built-in key that activates each button when pressed. Changing the combination is also easy to do at any time on the back of the faceplate once the correct code has been entered. Before closing the lock box, be sure to enter in the combination as it will not close unless the correct combination has been entered. This is to prevent the user from being locked out if the combination has been changed without their knowledge.